* {
	margin: 0;
	padding: 0;
}

body {
	
}

ul {
	width: 1020px;
	height: 600px;
	border: white solid 5px;
	margin: 60px auto;
	box-shadow: 0px 0px 10px #ccc;
}

li {
	width: 320px;
	height: 180px;
	list-style: none;
	float: left;
	margin: 10px;
	/* x y 扩散程度 阴影颜色*/
	box-shadow: 0px 0px 10px white;
}

img {
	width: 100%;
	height: 100%;
}

img:hover {
	width: 150%;
	height: 150%;
	position: relative;
	top: -40px;
	left: -40px;
}
